Slip or slide (4)
I believe the answer is:
skid
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">slip</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >'<span class="explanation-format__original">slide</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ ></span>
(Other definitions for skid that I've seen before include "go out of control" , "Uncontrolled car movement" , "unpredictable motoring event" , "Slide, eg, after braking" , "Lose control of a car" .)